Sweep & inspection
Caps & crowns
Flue relining
Masonry repair
Gas fireplace serviceLevel 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Famco Chimney Cap Installation: The San Jose Owner’s Guide
We install and replace Famco chimney caps throughout San Jose, with most cap installations running between $225 and $485 including the new cap, fasteners, and labor. We keep a selection of Famco-compatible stainless steel caps on the truck, so if your existing cap is a common size, there’s a good chance we can complete the swap the same day we arrive. Most San Jose homeowners discover they need a new cap one of three ways: they spot rust streaks staining the chimney crown, they find a piece of metal in the yard after a winter storm, or they see a spark arrestor screen that’s been torn open by animals or falling branches. Whatever tipped you off, the fix is straightforward and usually done in under an hour.
Key takeaways:
- Installed Famco cap replacement in San Jose: $225 – $485, depending on size and mounting type
- We stock common Famco sizes on the truck; odd sizes take 3 – 5 business days
- Every installation gets a written price before work starts and a written guarantee when it’s done
- If a tree limb dropped on your cap, check the chimney crown for cracks too, we’ll do that as part of the job
Which Famco Models This Applies To
Famco makes several cap lines, and the names on yours actually matter for fitment. For single-flue masonry chimneys, the most common in San Jose are the Famco WSC series (standard stainless steel with a 5/8-inch mesh spark arrestor) and the Famco ESC series, which adds a wind-resistant design that helps with downdrafts on exposed roofs. For multi-flue chimneys, Famco’s MSC series covers the entire crown, which means the cap mounts on the concrete or masonry crown itself rather than inside a single clay tile. Then there’s the Famco top-mount damper, which is less a cap and more a cap-and-damper combination that replaces a traditional throat damper and seals the flue from the top. If you’re not sure which one you have, look for the stamp on the cap skirt, Famco etches the model and size right into the steel, usually on the underside. No visible stamp? Measure the outside dimensions of your existing cap or the inside dimensions of the flue tile it sits on. A single-flue cap needs the flue’s inner width and length. A crown-mount cap needs the crown’s outer dimensions. If you send us photos with a tape measure held against the cap, we can usually identify it by phone before we even come out.
On the OEM-versus-aftermarket question: for Famco specifically, we install genuine Famco caps whenever the flue is a standard size, because the stainless blend (typically 304) and the mesh gauge are what the original cap was engineered with, and matching that means the cap’s wind tolerance numbers on the box are actually what you get. That said, we’ve installed quality aftermarket caps from Olympia Chimney and Copperfield on Famco-topped chimneys when lead time or an odd size made a Famco unit impractical. The thing we won’t do is install a cheap box-store cap that rusts in two seasons. San Jose’s wet winters and the marine layer pushing in from the Bay put real corrosion pressure on exposed steel, and a 430-series stainless cap at a third the price will show rust streaks down your crown by year three. We’d rather tell you the price of the right part once than sell you the wrong part twice.
Styles & brands we work with





Signs Your Famco Chimney Cap Installation Is Failing
- Rust bleeding onto the crown or brickwork. A Famco cap that’s pitted with rust has lost its protective layer, usually because it’s been up there 12 to 18 years or because someone installed a lower stainless grade than what Famco ships. Once rust starts, it migrates. The cap stains the crown, the crown absorbs water, and the freeze-thaw cycle in San Jose’s winter mornings cracks the mortar.
- Detached or torn spark arrestor mesh. The 5/8-inch mesh on a Famco cap does two jobs: it keeps embers from escaping and it keeps animals, leaves, and tennis balls out. When we find torn mesh on San Jose chimneys, it’s almost always racoons. They work the screen loose trying to get warm, then the wind peels it back.
- Water in the firebox after rain. If a cap was installed without a proper rain skirt, or if the cap has shifted on the flue tile, water runs straight down into the firebox. You’ll smell it before you see it: damp soot has a specific, musty-campfire smell that lingers for days.
- Wind noise or smoke backdrafting on gusty days. A cap that’s undersized for the flue, or one that’s lost its baffle plate, can turn a stiff Bay Area breeze into a smoke-pushing machine. This shows up as a room that smells faintly of ash after windy nights, even when there’s no active fire.
- Visible wobble from the ground. If the cap rocks when you push it with a broom handle (from a safe distance, please), the mounting band or masonry screw anchors have failed. A wobbly cap is a cap that’s about to become debris on your roof in the next big storm.
See the difference
Before
After
Before
After
Before
AfterReplacement Cost & What’s Included
Here’s the straight picture for San Jose pricing. A standard Famco single-flue stainless cap installed on an accessible chimney runs $225 to $300. Multi-flue crown-mount caps land higher, typically $350 to $485, because the part itself costs more and the install requires anchoring into the crown with masonry fasteners and re-sealing. If we need to repair a cracked crown or spalled brick before seating the cap, that’s priced separately and we’ll show you the camera photos before any commitment. What’s included in every cap install: removal of the old cap, wire-brushing the flue rim and crown seating area, a fit check of the new cap, full mechanical fastening (not just friction-fit), and a written guarantee covering the workmanship. Nathan Corliss is particular about this part: a cap that’s just slid into the flue and left to gravity is the kind of job that fails in a windstorm, and he doesn’t do those. Say the price first, explain the work, put the promise in writing.
DIY or Call Us?
If your chimney is a single-story with a walkable roof pitch and the cap is accessible from a ladder, a careful homeowner with the right fasteners can swap a friction-fit cap. But here’s where it goes wrong in San Jose, and we see it often: the old cap has rust-welded itself into the flue tile, and what looks like a simple pull turns into cracked tile and a three-hour job. Or the roof is a 8/12 pitch, wet from morning dew, and the ladder setup is more risk than the $200 labor charge is worth. The safety concern is real: chimney work combines heights, heavy steel, and tools that need both hands, and one lost grip at the ridge line is a hospital trip, not a Saturday project. If you want to do the ground-level prep, measure your flue and take photos, then call us at (669) 266-5073. We’ll tell you over the phone whether the job is a simple swap or something that needs a pro on the roof, and there’s no charge for that conversation.
FAQs
A genuine Famco stainless cap installed correctly in San Jose typically lasts 15 to 20 years. The marine layer from the Bay shortens that versus inland California, and homes within a few miles of the water should expect to inspect the cap every sweep and replace it closer to the 15-year mark. After 15 years, the mesh is usually the first thing to go, then the mounting band. Call (669) 266-5073 and we’ll inspect yours during a standard sweep, no separate trip needed.
Sometimes, but not usually in a way that saves you money. A torn mesh section can’t be reliably patched, and a rusted skirt can’t be re-galvanized. If a mounting band loosens but the cap body is sound, we can re-anchor it and that’s a small repair. If the rust has started, give us a call and describe what you see. We’ll tell you honestly whether it’s worth saving or whether you’re buying time. Estimates are free.
Most single-flue Famco cap replacements take 30 to 60 minutes once we’re set up on the roof. Multi-flue crown-mount caps run closer to two hours because the old sealant needs to be ground off and the crown prepped before the new cap is anchored. We’ll give you a written arrival window and a written price before any work starts, and the number we quote is what you pay.
We carry common Famco single-flue sizes and a selection of multi-flue caps on the truck, which means most San Jose swap-outs happen the same day. Odd sizes or specialty series like the top-mount damper caps are ordered direct and typically arrive in 3 to 5 business days. Call (669) 266-5073 with your flue measurements and we’ll tell you what’s available before we even schedule the visit.
If your Famco cap has failed, or you just want a second set of eyes on it before winter, call Ashby Chimney San Jose at (669) 266-5073. We’ll give you a written price before any work begins, show up in the window we promised, and put the guarantee in writing when the job is done. That’s the Kingswell Way, and it’s how we’ve handled every job since 2002.
Written by Nathan Corliss, Owner, Ashby Chimney San Jose at Ashby Chimney San Jose, serving San Jose and nearby areas.